Intel Xeon E5 2667 v2 's Advantages
Released 9 months late
Newer PCIe version (3 vs 2)
Higher base frequency (3.3GHz vs 2.8GHz)
Larger L3 cache size (20MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Opteron 3350 HE 's Advantages
Lower TDP (45W vs 130W)